Tools for Monitoring Disk Activity in Linux

5 Tools for Monitoring Disk Activity in Linux

• iostat. iostat can be used to report the disk read/write rates and counts for an interval continuously. ...
• iotop. iotop is a top-like utility for displaying real-time disk activity. ...
• dstat. dstat is a little more user-friendly version of iostat , and can show much more information than just disk bandwidth. ...
• atop. ...
• ioping.

1. How do I monitor disk usage in Linux?
2. How do I monitor a process in Linux?
3. How do I check disk history in Linux?
4. How do I find bottlenecks in Linux?
5. What is disk I O in Linux?
6. What are the system tools are used in Linux?
7. How do I list all processes in Linux?
8. Which is the process activity monitoring command?
9. How do I find CPU in Linux?
10. How do I free up disk space on Linux?
11. How do I view open files in Linux?

How do I monitor disk usage in Linux?

1. How much space do I have free on my Linux drive? ...
2. You can check your disk space simply by opening a terminal window and entering the following: df. ...
3. You can display disk usage in a more human-readable format by adding the –h option: df –h. ...
4. The df command can be used to display a specific file system: df –h /dev/sda2.

How do I monitor a process in Linux?

In Linux, Top command is utilized to monitor Linux Process which is used frequently used by many systems. It is available under many Linux, Unix like operating system. All the running and active real-time processes in ordered list is displayed and updates it regularly by this Top command.

How do I check disk history in Linux?

Check Disk Usage in Linux Using the du Command

du -sh /home/user/Desktop — the -s option will give us the total size of a specified folder (Desktop in this case). du -m /home/user/Desktop — the -m option provides us with folder and file sizes in Megabytes (we can use -k to see the information in Kilobytes).

How do I find bottlenecks in Linux?

We can find bottleneck in linux server performance using following method..

1. Take the output of TOP & mem, vmstat commands in one notepad.
2. Take sar output of 3 months.
3. check the variation in processes & usage at the time of implementation or change.
4. If the load is unusual since the change.

What is disk I O in Linux?

One of the common causes of this condition is disk I/O bottleneck. Disk I/O is input/output (write/read) operations on a physical disk (or other storage). Requests which involve disk I/O can be slowed greatly if CPUs need to wait on the disk to read or write data.

What are the system tools are used in Linux?

• Top – Linux Process Monitoring. ...
• VmStat – Virtual Memory Statistics. ...
• Lsof – List Open Files. ...
• Tcpdump – Network Packet Analyzer. ...
• Netstat – Network Statistics. ...
• Htop – Linux Process Monitoring. ...
• Iotop – Monitor Linux Disk I/O. ...
• Iostat – Input/Output Statistics.

How do I list all processes in Linux?

Check running process in Linux

1. Open the terminal window on Linux.
2. For remote Linux server use the ssh command for log in purpose.
3. Type the ps aux command to see all running process in Linux.
4. Alternatively, you can issue the top command or htop command to view running process in Linux.

Which is the process activity monitoring command?

top – Process activity monitoring command

top command display Linux processes. It provides a dynamic real-time view of a running system i.e. actual process activity. By default, it displays the most CPU-intensive tasks running on the server and updates the list every five seconds.

How do I find CPU in Linux?

9 Useful Commands to Get CPU Information on Linux

1. Get CPU Info Using cat Command. ...
2. lscpu Command – Shows CPU Architecture Info. ...
3. cpuid Command – Shows x86 CPU. ...
4. dmidecode Command – Shows Linux Hardware Info. ...
5. Inxi Tool – Shows Linux System Information. ...
6. lshw Tool – List Hardware Configuration. ...
7. hardinfo – Shows Hardware Info in GTK+ Window. ...
8. hwinfo – Shows Present Hardware Info.

How do I free up disk space on Linux?

Freeing disk space on your Linux server

1. Get to the root of your machine by running cd /
2. Run sudo du -h --max-depth=1.
3. Note which directories are using a lot of disk space.
4. cd into one of the big directories.
5. Run ls -l to see which files are using a lot of space. Delete any you don't need.
6. Repeat steps 2 to 5.

How do I view open files in Linux?

You can run lsof command on Linux filesystem and the output identifies the owner and process information for processes using the file as shown in the following output.

1. $ lsof /dev/null. List of All Opened Files in Linux. ...
2. $ lsof -u tecmint. List of Files Opened by User. ...
3. $ sudo lsof -i TCP:80. Find Out Process Listening Port.